@admin
Dear staff,
The IP of S12 is currently on email CSS blacklist. As a result, all emails sent from S12 to outlook(and anyother email providers) are rejected. Removal the IP of S12 from blacklist need PTR record verification. So please finish the removal process on your side 🙂
"Service unavailable, Client host [85.194.246.115] blocked using Spamhaus. To request removal from this list see https://www.spamhaus.org/query/ip/85.194.246.115"
Sincerely,
Leslie